Pregnancy diagnostic apparatus



FIG. 1 is a front perspective view of a pregnancy diagnostic apparatus showing my new design;

FIG. 2 is a front view;

FIG. 3 is a right side view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view with enclosure;

FIG. 6 is a bottom plan view without the enclosure. 

The ornamental design for a pregnancy diagnostic apparatus, as shown and described. 